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Table 3 Serum concentrations of ΣOH-PCBs (pg/g wet wt.) and each isomer of the present subject (n = 128)

From: Serum levels of hydroxylated PCBs, PCBs and thyroid hormone measures of Japanese pregnant women

 

Percent detected (%)

GM (GSD)

Median

Range

Min

Max

ΣOH-PCBs_16 isomers (Pe-Hp)

–

120 (1.7)

120

37

330

OH-PeCB isomer A

100

10 (1.8)

11

1.9

38

4′-OH-CB120

96

1.6 (1.8)

1.7

<LOD

5.1

3-OH-CB118

98

2.5 (2.1)

2.8

<LOD

11

4-OH-CB107

100

24 (1.7)

26

4.8

95

OH-PeCB isomer B

100

3.1 (1.7)

3.3

0.8

8.4

OH-HxCB isomer A

100

4.3 (1.9)

4.3

0.6

21

4′-OH-CB165 (3-OH-CB153)

100

4.3 (1.9)

4.2

0.7

15

4-OH-CB146

100

19 (1.9)

21

4.2

91

3′-OH-CB138

100

5.6 (1.9)

6.1

0.9

19

4′-OH-CB130

48

0.47 (1.7)

0.3

<LOD

1.9

4′-OH-CB159

88

1.1 (2.0)

1.3

<LOD

4.4

OH-HxCB isomer B

100

3.4 (1.7)

3.4

0.8

14

OH-HpCB isomer A

100

4.7 (1.7)

4.6

1.1

18

4-OH-CB187

100

29 (1.7)

31

8.7

97

OH-HpCB isomer B

90

1.3 (2.1)

1.4

<LOD

5.9

4′-OH-CB172

100

3.8 (1.8)

3.8

0.9

16

  1. LOD limit of detection, GM geometric mean, GSD geometric standard deviation
  2. GM and median values were calculated by substituting one-half of LOD for undetectable samples. One subject with low recovery of internal standard without known reason was excluded from this table